EP 3974183 A4 20220803 - COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE
Title (en)
COVER WINDOW FOR FLEXIBLE DISPLAY DEVICE AND FLEXIBLE DISPLAY DEVICE
Title (de)
ABDECKFENSTER FÜR FLEXIBLE ANZEIGEVORRICHTUNG SOWIE FLEXIBLE ANZEIGEVORRICHTUNG
Title (fr)
FENÊTRE DE COUVERTURE POUR DISPOSITIF D'AFFICHAGE FLEXIBLE ET DISPOSITIF D'AFFICHAGE FLEXIBLE
Publication
Application
Priority
- KR 20190059000 A 20190520
- KR 20200057914 A 20200514
- KR 2020006416 W 20200515
Abstract (en)
[origin: US2021199856A1] The present disclosure provides a cover window for a flexible display device comprising a laminate including a light-transmitting substrate or polymer substrate; and a first hard coating layer and a second hard coating layer each formed on both surfaces of the light-transmitting substrate or the polymer substrate, wherein a ratio of a modulus of the first hard coating layer to the total modulus of the laminate is 1.5 to 2.0, and wherein a surface pencil hardness measured from the first hard coating layer side is 5H or more based on 750 g, and a flexible display device comprising the cover window.
IPC 8 full level
C08J 7/04 (2020.01); C08J 7/046 (2020.01); G02B 1/14 (2015.01); G02F 1/1333 (2006.01)
CPC (source: CN EP KR US)
B32B 7/023 (2019.01 - KR); B32B 27/08 (2013.01 - KR); B32B 27/20 (2013.01 - KR); B32B 27/281 (2013.01 - KR US); B32B 27/308 (2013.01 - KR US); B32B 27/34 (2013.01 - KR US); C08J 7/042 (2013.01 - EP); C08J 7/046 (2020.01 - EP); G02B 1/14 (2015.01 - CN EP US); G02F 1/133723 (2013.01 - CN); G09F 9/301 (2013.01 - CN); B32B 2250/24 (2013.01 - US); B32B 2250/40 (2013.01 - US); B32B 2255/10 (2013.01 - US); B32B 2255/26 (2013.01 - US); B32B 2255/28 (2013.01 - US); B32B 2307/412 (2013.01 - US); B32B 2307/51 (2013.01 - KR US); B32B 2307/536 (2013.01 - US); B32B 2457/20 (2013.01 - KR US); C08J 2379/08 (2013.01 - EP); C08J 2433/06 (2013.01 - EP); C08J 2475/16 (2013.01 - EP); G02F 1/133305 (2013.01 - EP US); G02F 1/133331 (2021.01 - EP)
Citation (search report)
- [IA] US 2018215883 A1 20180802 - PARK JIN YOUNG [KR], et al
- [XA] WO 2019066368 A1 20190404 - LG CHEMICAL LTD [KR]
- See also references of WO 2020235877A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
US 2021199856 A1 20210701; CN 112543964 A 20210323; CN 112543964 B 20221011; EP 3974183 A1 20220330; EP 3974183 A4 20220803; JP 2021532003 A 20211125; JP 7156591 B2 20221019; KR 102340256 B1 20211217; KR 20200133669 A 20201130
DOCDB simple family (application)
US 202017269956 A 20200515; CN 202080004472 A 20200515; EP 20809083 A 20200515; JP 2021502829 A 20200515; KR 20200057914 A 20200514